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have I adequately cleaned up my problem?


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#1 rbmales

rbmales

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Posted 14 January 2009 - 08:42 PM

I have taken some steps to clean a virus or viruses on my wife's computer, I would like to know if I may still be infected, what other steps I should take.

I had been trying to follow some instructions on ask metafilter http://ask.metafilter.com/101578/Is-this-a-new-virus#1474933 to clean up a virus on my wife's computer (not an expert in this field, but I do routinely work with computers as a programmer, fortunately have not previously had to deal with viruses much). These instructions reference this site. I previously posted a question relating to the procedures in the above link in another forum (http://www.bleepingcomputer.com/forums/topic194899.html) , was redirected to this forum. My apologies for incorrect posting.

My wife originally reported that the computer started making a noise, and then shut down. I did not hear or see that. We had been running AVG 7.5, but updates seemed to be disabled. When I got on and got it to re-boot, I saw a lot of pop-ups of various kinds all over the place. Since I could not get AVG 7.5 to work, I uninstalled, installed AVG 8, eventually got it to work, it reported many trojan horse and adware infections - I unfortunately do not have a copy of the log, but among the items noted were downloader.agent.asbr, patched_c.agt, generic3.agzn, generic12.aorc, dropper.generic.afow, and generic12.apkn. Multiple re-runs kept giving me new viruses found. In attempting to follow the steps in the ask.metafilter link, I got through using SmitFraudFix, but I could not get past the ComboFix step, which reported avg running, even though I eventually uninstalled AVG 8, checked all processes. Thus the previous posting. At one point, I was routinely getting messages to the effect of "generic host process for win32 services error" leading to a "System Shutdown - Nt_AUTHORITY\SYSTEM Windows must now restart because the DCOM server process launcher .... " after about 30 minutes of time since the previous restart. This no longer seems to be happening.

I am currently running in safe mode (as much as I can), and I had thought that I had turned off system restore, but checking this moments ago, the box to turn it off is NOT checked.

In the end, I have been using Malware Byte's anti-malware, which originally reported the following:

Malwarebytes' Anti-Malware 1.32
Database version: 1616
Windows 5.1.2600 Service Pack 2

2009-01-13 18:08:18
mbam-log-2009-01-13 (18-08-08).txt

Scan type: Full Scan (C:\|E:\|)
Objects scanned: 114679
Time elapsed: 1 hour(s), 12 minute(s), 0 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 10
Registry Values Infected: 1
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 6

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Ext\Stats\{6d794cb4-c7cd-4c6f-bfdc-9b77afbdc02c} (Trojan.Vundo) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{6d794cb4-c7cd-4c6f-bfdc-9b77afbdc02c} (Trojan.Vundo) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\xpreapp (Malware.Trace) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\tdss (Trojan.Agent) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\contim (Trojan.Vundo) -> No action taken.
HKEY_CURRENT_USER\SOFTWARE\Microsoft\instkey (Trojan.Vundo) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\MS Track System (Trojan.Vundo) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\rdfa (Trojan.Vundo) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\FCOVM (Trojan.Vundo) -> No action taken.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\RemoveRP (Trojan.Vundo) -> No action taken.

Registry Values Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellExecuteHooks\{6d794cb4-c7cd-4c6f-bfdc-9b77afbdc02c} (Trojan.Vundo) -> No action taken.

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\senekarntxvimr.dll (Trojan.Agent) -> No action taken.
C:\WINDOWS\system32\senekadf.dat (Trojan.Agent) -> No action taken.
C:\WINDOWS\system32\seneka.dat (Trojan.Agent) -> No action taken.
C:\WINDOWS\system32\senekalog.dat (Trojan.Agent) -> No action taken.
C:\WINDOWS\system32\drivers\seneka.sys (Trojan.Agent) -> No action taken.
C:\WINDOWS\system32\drivers\senekapsftewqy.sys (Trojan.Agent) -> No action taken.

A second scan after a re-boot produced:

Malwarebytes' Anti-Malware 1.32
Database version: 1616
Windows 5.1.2600 Service Pack 2

2009-01-13 18:21:28
mbam-log-2009-01-13 (18-21-28).txt

Scan type: Quick Scan
Objects scanned: 54343
Time elapsed: 5 minute(s), 54 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
(No malicious items detected)

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
(No malicious items detected)

Files Infected:
C:\Documents and Settings\Barbara Males\Local Settings\Temp\seneka55d9.tmp (Trojan.FakeAlert) -> Quarantined and deleted successfully.

On repeated runs of this program, and also using CCleaner (cannot remember exact sequence), I got to the point of anti-malware reporting no infections on repeated quick or full scans.

I would greatly appreciate any assistance in determining if I have adequately handled the current situation, or suggestions for additional steps to be taken. I will be happy to provide any additional information.

Thanks in advance, apologies for the lengthy post.

R. Males
Cincinnati, Ohio, USA

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#2 Budapest

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Posted 15 January 2009 - 01:33 AM

Try this scan as a double check. If you've cleaned out all your temp files and cookies with CCleaner you can skip the AFT Cleaner part.

Please download ATF Cleaner by Atribune & save it to your desktop. alternate download link DO NOT use yet.
Please download and install SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here and unzip into the program's folder.)
  • Under the "Configuration and Preferences", click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (leave all others unchecked):
    • Close browsers before scanning.
    • Scan for tracking cookies.
    • Terminate memory threats before quarantining.
  • Click the "Close" button to leave the control center screen and exit the program.
  • Do not run a scan just yet.
Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Double-click ATF-Cleaner.exe to run the program.
  • Under Main "Select Files to Delete" choose: Select All.
  • Click the Empty Selected button.
  • If you use Firefox browser click Firefox at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • If you use Opera browser click Opera at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • Click Exit on the Main menu to close the program.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • If asked if you want to reboot, click "Yes" and reboot normally.
  • To retrieve the removal information after reboot, launch SUPERAntispyware again.
    • Click Preferences, then click the Statistics/Logs tab.
    • Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
    • If there are several logs, click the current dated log and press View log. A text file will open in your default text editor.
    • Please copy and paste the Scan Log results in your next reply.
  • Click Close to exit the program.

The power of accurate observation is commonly called cynicism by those who haven't got it.

—George Bernard Shaw




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